Maintenance has been completed, such as 6 capacitors, 2 ICs, and 1 relay replaced, and each switch, volume cleaning, etc. A pre-main amplifier characterized by clean sound quality typical of Yamaha and the fineness of the mid to high range. The PHONO input is MM/MC compatible, and is also recommended for analog users. There is overall dullness, and the top plate is slightly dented (Oikawa Tetsuji)
Maintenance Information: 2026.5.18 Maintained (ton control circuit. Equalizer circuit IC replacement. Replace deteriorated capacitors in the protection circuit. Switch type disassembly contact polishing. Since the main volume is made of Plastics, it will be damaged if disassembled, so clean it with an ultrasonic cleaner. Soldering fixes for each board. (I/O pin jack polish)
Accessories: copy of instruction manual
Main specifications: 100W+100W (8Ω) MM/MC compatible W435 x H112 x D365 mm 9.1 kg